Poly Voy 4310 -M HS +BT700 +CHS
HP Part# 77Y93AA
Headphones/Earphones – Headset - Over-the-head - On-ear - Binaural - Monaural - 1.26" Driver Size - 20 Hz Minimum Frequency Response - 20 kHz Maximum Frequency Response - Boom - Voyager 4300 UC - 164 ft Wireless Operating ...
Poly Voy 4310 HS +BT700 +CHS
HP Part# 77Y92AA
Headphones/Earphones – Headset - On-ear - Monaural - 1.26" Driver Size - 20 Hz Minimum Frequency Response - 20 kHz Maximum Frequency Response - Boom - Voyager 4300 UC - 164 ft Wireless Operating Distance - Black - Wireless ...